I is a Norwegian super group featuring members of Immortal, Enslaved, Gorgoroth, and Sahg. Formed by Immortal frontman Abbath in 2005,the band's music fuses black metal with heavy metal. Fellow band members are former Immortal drummer Armagedda, TC King of Gorgorothand Sahg, and Ice Dale from Enslaved. Demonaz, of Immortal fame, contributed the lyrics to the music.

The band's debut album, "Between Two Worlds" was released in 2006. Their one and only live show was at the Hole in the Sky festival inBergen the same year.